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Product Detailed Parameters
- Description：DIODE AVALANCHE 400V 2A SOD57
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：2A
- Voltage - Forward (Vf) (Max) @ If：1 V @ 1 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：4 µs
- Current - Reverse Leakage @ Vr：1 µA @ 400 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：SOD-57, Axial
- Supplier Device Package：SOD-57
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The BYW53-TR is a standard avalanche rectifier manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum DC reverse voltage of 400 V and an average forward current rating of 2 A. The device exhibits a forward voltage of 1 V at the rated current and supports a maximum surge current of 50 A. Key electrical characteristics include a reverse leakage current of 1 µA, a reverse recovery time of 250 ns, and a junction capacitance of 12 pF at 4 V and 1 MHz. It operates within a junction temperature range of -55°C to 175°C.
Feature Summary
- Incorporates avalanche capability for robust performance in inductive switching environments
- Utilizes sinterglass technology to ensure high reliability and low leakage current
- Designed with a low profile package suitable for space-constrained applications
Applications
- High-frequency switching power supplies
- Inductive load protection circuits
- Free-wheeling diode applications in motor drives
Procurement Notes
Verify the specific suffix (e.g., -TR) to confirm tape-and-reel packaging requirements. Ensure the component meets RoHS compliance standards if required by your assembly process. Cross-reference the manufacturer's datasheet for precise handling and storage conditions to maintain device integrity during installation.
Selection Notes
Select this component when avalanche ruggedness is required alongside fast recovery characteristics. The 400 V rating suits medium-voltage AC/DC conversion stages. Consider the SOD-57 package dimensions for PCB layout constraints. Verify thermal management needs based on the specified junction temperature limits and ambient operating conditions.
Part Context
This part belongs to Vishay's family of standard avalanche rectifiers. These devices are engineered to withstand repetitive avalanche energy without degradation. They combine standard recovery speed with avalanche tolerance, making them distinct from standard non-avalanche rectifiers or ultra-fast recovery diodes lacking avalanche ratings.
Replacement Considerations
Public confirmed substitute part numbers include BYT53G-TAP and BYT53G-TR. Verify pinout compatibility and exact electrical parameter matching before substitution.
